import { darkCssIsReady, loadDarkThemeCss } from "vite-plugin-theme/es/client";
import { addClass, hasClass, removeClass } from "/@/utils/domUtils";

export async function updateDarkTheme(mode: string | null = "light") {
  const htmlRoot = document.getElementById("htmlRoot");
  if (!htmlRoot) {
    return;
  }
  const hasDarkClass = hasClass(htmlRoot, "dark");
  if (mode === "dark") {
    if (import.meta.env.PROD && !darkCssIsReady) {
      await loadDarkThemeCss();
    }
    htmlRoot.setAttribute("data-theme", "dark");
    if (!hasDarkClass) {
      addClass(htmlRoot, "dark");
    }
  } else {
    htmlRoot.setAttribute("data-theme", "light");
    if (hasDarkClass) {
      removeClass(htmlRoot, "dark");
    }
  }
}
